diff --git a/include/CPUSensor.hpp b/include/CPUSensor.hpp
index 1c25655..65f30e7 100644
--- a/include/CPUSensor.hpp
+++ b/include/CPUSensor.hpp
@@ -59,7 +59,9 @@
         return findIndex->second;
     }
 
+    // todo: need to change this number based setting to name based
     constexpr size_t sgpioBase = 232;
+    constexpr const char* labelSgpiochipIn = "1e780200.sgpio";
 
     // check if sysfs has device
     bool sysfs = std::filesystem::exists(gpioPath + std::string("gpio") +
@@ -80,9 +82,8 @@
         }
     }
 
-    size_t chipNum = (gpioNum - sgpioBase) / 8;
-    size_t index = (gpioNum - sgpioBase) % 8;
-    gpiod::chip chip("gpiochip" + std::to_string(chipNum));
+    size_t index = gpioNum - sgpioBase;
+    gpiod::chip chip(labelSgpiochipIn);
     auto line = chip.get_line(index);
 
     if (!line)